Beelzebub: Aoi Kunieda

 Aoi became the third leader of the Crimson Tails earlier than handing adjust over to Nene.  She met Oga whereas taking her toddler brother to a park and developed an glaring crush on him.  Aoi has two clear personalities; some of the remarkable and sure Crimson Tail leader when at probability, and a kinder and softer side she reveals when taking care of her younger brother or spherical her buddies.